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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009066400908 1,280 digits created 2026-08-10

Value

16117094711985460747989276784102129920672459857735399521086629850829390518133733871383028264966935088622713633396225918926584001713406051374828143752334795587547549596553290282181885875636490767562482238235532548996320701985811103677776085463798129694772936194570284034674284522537564268046614277996904906182291162496162399191691495829477418331997585968360337774543664644403747514744342573522998841957165481487355758579748272370615452007606966388861107921064813668443696631913330922181199964669799464718237093231720705735464766657087521115755282158737536782854170087284053390720815844991242127791465963363162505620904733170093457152558649763544618580806061302194388068724439959960788031133499697519657800719682621393027745325564789921319225649995881909409541910743312773264197705705453911136492358032204243952104318270239027601101026501785581367420462719710000975837390425567615979725542629129234728449057920978362912723349383158425846905658789939008053016470016021563901634106410913747394412054641095319045771278171971722561379052128437313309034119194250094386385200392346003857018219628769054708954653409397698777854389937376677128587562510374698907851060304952679560491236466968849468091518526535762293447403231554884193964603839182796105753093213345424461010893813359439274893
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,723-digit prime (138 intermediate primes).

Certified number1,723-digit prime
Certificatedownload
Certificate chainshow step 35 of 138

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066400908 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009066400908},"decimal":true,"detail":2}}'